implement deactivating pillars

src/camera.rs

@@ -44,7 +44,9 @@ pub fn update_raycast_with_cursor(
 
 #[derive(Default)]
 pub struct MouseCoords {
+    /// The mouse coordinates on the floor, as they are
     pub raw: Vec3,
+    /// The mouse coordinates, after being snapped to pillars and stuff
     pub processed: Vec3,
 }
 

src/main.rs

@@ -78,6 +78,7 @@ fn main() {
                 .with_system(light_up_ball_when_close_to_player.system())
                 .with_system(increase_progress_when_activating_pillar.system())
                 .with_system(activate_pillar_when_progress_is_1.system())
+                .with_system(decrease_pillar_strength.system())
                 .with_system(toggle_debug.system()),
         )
         .add_system_set(

src/pillar.rs

@@ -1,12 +1,14 @@
 use bevy::prelude::*;
 
-use crate::player::LightFriends;
+use crate::{camera::MouseCoords, player::LightFriends};
 
 const SIZE: f32 = 10.0;
 const HEIGHT: f32 = 20.0;
 
 pub struct UnlitPillar;
-pub struct LitPillar;
+pub struct LitPillar {
+    created_at: f64,
+}
 
 pub fn spawn_pillar(commands: &mut Commands, materials: &PillarMaterials, pos: Vec3) {
     let mut column_material: StandardMaterial = Color::rgb(0.7, 0.7, 0.7).into();
@@ -30,6 +32,7 @@ pub fn increase_progress_when_activating_pillar(
     friends: Query<(&Transform, &LightFriends)>,
     mut progress: ResMut<PillarActivationProgress>,
     input: Res<Input<MouseButton>>,
+    mouse: Res<MouseCoords>,
 ) {
     if !input.pressed(MouseButton::Left) {
         return;
@@ -42,8 +45,9 @@ pub fn increase_progress_when_activating_pillar(
     };
 
     for (entity, trans, _) in pillars.iter() {
-        let d = trans.translation.distance(friends_trans.translation);
-        if d < 5.0 {
+        let friends_d = trans.translation.distance(friends_trans.translation);
+        let mouse_d = trans.translation.distance(mouse.processed);
+        if friends_d < 10.0 && mouse_d < 1.0 {
             // set as the one on progress and increase
             if let Some(p) = &mut progress.0 {
                 if p.0 == entity {
@@ -63,6 +67,7 @@ pub fn activate_pillar_when_progress_is_1(
     mut progress: ResMut<PillarActivationProgress>,
     mut query: Query<(&mut Handle<StandardMaterial>, &UnlitPillar)>,
     materials: Res<PillarMaterials>,
+    time: Res<Time>,
 ) {
     if let Some(p) = progress.0 {
         if p.1 >= 1.0 {
@@ -72,10 +77,12 @@ pub fn activate_pillar_when_progress_is_1(
             commands
                 .entity(p.0)
                 .remove::<UnlitPillar>()
-                .insert(LitPillar)
+                .insert(LitPillar {
+                    created_at: time.seconds_since_startup(),
+                })
                 .insert(Light {
                     color: Color::rgb(15.0, 15.0, 15.0),
-                    intensity: 300.0,
+                    intensity: 500.0,
                     ..Default::default()
                 });
 
@@ -86,6 +93,37 @@ pub fn activate_pillar_when_progress_is_1(
     }
 }
 
+pub fn decrease_pillar_strength(
+    mut commands: Commands,
+    materials: Res<PillarMaterials>,
+    mut query: Query<(
+        Entity,
+        &mut Light,
+        &mut Handle<StandardMaterial>,
+        &LitPillar,
+    )>,
+    time: Res<Time>,
+) {
+    let t = time.seconds_since_startup();
+    for (entity, mut light, mut handle, pillar) in query.iter_mut() {
+        let d = t - pillar.created_at;
+
+        if d > 30.0 {
+            // deactivate pillar
+            commands
+                .entity(entity)
+                .remove::<LitPillar>()
+                .remove::<Light>()
+                .insert(UnlitPillar);
+
+            *handle = materials.unlit.clone();
+        } else {
+            let i = (30.0 - d as f32) / 30.0;
+            light.intensity = i * 500.0;
+        }
+    }
+}
+
 pub struct PillarMaterials {
     unlit: Handle<StandardMaterial>,
     lit: Handle<StandardMaterial>,